Eenst sohultz



(No Model.)

i B.- .SG'HULTL Burner and'App-aratus for Burn N0.. 236,095.

Petroleum. Patented Dec. 28;*1880l xV//llllll/lllllllll'" m. ha

METERS. PHOTO-UTMQGRAPHEH. WASHIGTGN. D'v c,

'UNTTED STATES PATENT OFFICE.

ERNST SOHULTZ, OF HAMBURG, GERMANY, ASSIGNOR TO HIMSELF AND RUDOLPH WULFF, OF AARHUS, DENMARK.

BURNER AND APPARATUS FOR BURNING PETROLEUM.

SPECIFICATION forming part of Letters Patent No. 236,095, dated December 28, 1880. Application filed October 8, 1880. (No model.)

To all whom it may concern:

Be it known that I, ERNST SoHULTZ, of Hamburg, in the 'Empire of Germany, have invented certain new and useful Improvements in Burners' and Apparatus for Burning Petroleum, of which the following is a specification.

My invention relates tolamps without wicks, and in which the kerosene or other hydrocarbon liquid is heated prior to its issuance from the orifice at which it is ignited, so thatit will be more readily and completely consumed and the object of my invention is to provide in a very simple manner for so I heating the tube through which the keroseneor other liquid passes to the iiame by means of the heat of the fiame itself.

To this end my invention consists in aburner for a lamp for illumination, composed of'a tube, one or both ends of which may be inserted into an oil-reservoir, and which is bent so as to form a depending loop open at the top, and provided with one or more small orifices in the upper side of its lower portion, so that the oil which issues from the orifice or orifices has first to pass very slowly down each side ofthe loop, where it is subjected to the great heat of the flame produced by the ignition of the oil issuing from said orifice or orifices. The open top of the. loop affords provision for the free spreading of the ilame without in the least obstructing it, and I thus produce a desirable flame for illuminating purposes.

My invention also consists in the combination of such a burner-tube with an oil-reservoir possessing certain novel characteristics, which will be hereinafter described.

lIn the accompanying drawings, Figure l represents a vertical section of an oil-reservoir and side view ofa burner-tube embodying my invention. Fig. 2 represents a similar view of a lamp in which a single tube is bent so as to form two burners; and Fig. 3 represents an elevation of an oil-reservoir and two groups of burners supplied. therefrom.

Similar letters of reference designate corresponding parts in all the gures.

Referring, first, to Fig. 1, A represents an oil-reservoir, made in any suitable manner and provided with a filling-mouth, a, and an inletpipe, B, through which air or liquid may be introduced to produce a pressure within the reservoir, as more clearly hereinafter described.

O designates a burner-tube, both ends of which are inserted in the oil-reservoir, a tight joint being made where they pass through the top of the reservoir, so as to prevent leakage of oil. At the highest part of this burner-tube is a burner, C', which consists of a loop having an open top and formed by bending downward the portion of the tube between the two vertical portions or legs.

As clearly shown, the loop is in the form of an ellipse, the tube nearly coming together at the upper end thereof, and upon the upper side of the tube, at the lowest portion of theV loop, at b, is one or more very ine orifices, through which the oil is expelled or ejected in the form of spray by means of pressure applied in the oil-reservoir, and wholly consumed by the dame.

In order to heat the oil in the burner before ignition, I place'under the burner a small pan or cup, D, in which a small quantity ofalcohol or spirit may be burned. After the ignition ofthe lamp the flame produced will heat the oil, which passes very slowly down both sides of the loop, to ahigh temperature, and when it issues from the small orifice or orifices at b it and the vapor generated bythe heat will be entirely consumed, creating little or no smell.

The pressure to force the oil up through the burner-tube O to the burner may be produced by means of an air-pump applied to the pipe B; or the said pipe may communicate with a.

tank containing oilarranged at a higher level than the oil-reservoir A.

If desirable, a plate, c, having prongs or legs for attachment to the burner-tube O, may be employed for spreading the dame d, which would otherwise be a thin vertical flame.

In order to tllter the oil beforeit passes into the burner-tube C, the ends of said tube are inserted into a filter, E, which consists of top and bottom plates and a cylindric or other form of case composed of wire-gauze and filled with layers of felt7 cotton, sponge, or other filtering material. The ends of the burner-tube which are inserted into the filter are each closed by a cap, e, in which is one or more fine orifices for the passage of oil.

IOO

The apparatus shown in Fig. 2 differs from thatjust described only in that it is provided with a burner-tube, C, in which are two burners, C', formed in the same manner as the burner in Fig. 1.

Fig. 3 represents an apparatus in which one end only ofthe burner-tube C is inserted into the oil-reservoir A. The reservoir is provided with a pipe, B, for the iniiow of oil or air to produce pressure, and with a glass gage, F, to indicate the level ofthe oil inthe reservoir.

The pipe C is represented as provided with two groups of burners, C', each burner being composed of a loop, as above described, except that the loops, instead of being elliptical, are angular or square. rEhe loops might be ot' any other form desirable.

It will be observed that the loop or burner C', being;` open at the top, forms no obstruction to the free extension or spreading of the dame in any direction, and that I therefore provide a burner specially adapted for purposes of illumination.

That I claim as my invention, and desire to secure by Letters Patent, is-

1. A burner for a lamp for illumination, composed of a tube bent so as to form a depending loop, open at the top, and provided inthe upper side of its lower portion with one or more small orifices, substantially as and for the purpose specitied.

2. The combination of an oil-reservoir, a pipe for the inflow of air or oil to produce a pressure therein, and aburncr for illumination, composed of' a tube inserted into said reservoir and bent so as to form a depending loop, open at lthe top, and provided in the upper side ot' its lower portion with one or more small orifices, substantially as and for the purpose specitied.

3. The combination of an oil-reservoir, a pipe for the inflow of oil or air to produce a pressure therein, a tilter arranged in said oilrescrvoir, a burner-tube, the end or ends of which are inserted into said lter, and a depending loop formed by bending said tube, and having` in the upper side of its lower portion one or more small oriees, substantially as and for the purpose specified.

4. The burner-tube C, bentto form the depending loop C', the upper side of the lower portion of which bas one or more small orifices, and the perforated caps c, closing the ends ot' said tube, substantially as specilied.

ERNST SGHULTZ.

Witnesses:

A. SGHAPER, F. ENGEL. 

